When Aethersnipe enters the battlefield, return target nonland permanent to its owner's hand.

Evoke {1}{U}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

Flying

{2}{U}: Tap target creature with flying.

Flying

Whirlwind -- When Air-Cult Elemental enters the battlefield, return up to one other target creature to its owner's hand.

As an additional cost to cast this spell, pay {4} or sacrifice an artifact or creature.

Destroy target creature or planeswalker.

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

{T}: Add one mana of any color in your commander's color identity.

Changeling (This card is every creature type.)

Up to two target creatures each get +2/+0 and gain all creature types until end of turn.

Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

As an additional cost to cast this spell, sacrifice a creature.

Destroy target creature.

Counter target spell.

{5}{G}{G}: Put a +1/+1 counter on Carnivorous Moss-Beast.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Crumbling Necropolis enters the battlefield tapped.

{T}: Add {U}, {B}, or {R}.

{T}, Sacrifice a creature: Put a charge counter on Culling Dais.

{1}, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Graft 4 (This creature enters the battlefield with four +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

When Cytoplast Root-Kin enters the battlefield, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it.

{2}: Move a +1/+1 counter from target creature you control onto Cytoplast Root-Kin.

Indestructible

{T}: Add one mana of any color.

{T}: Add {C}.

{1}{U}{R}, {T}: Draw a card, then discard a card.

Destroy target creature or planeswalker.

{T}: Add {C}{C}{C}.

{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

{1}, Sacrifice Dross Skullbomb: Draw a card.

{2}{B}, Sacrifice Dross Skullbomb: Return target creature card from your graveyard to your hand. Draw a card. Activate only as a sorcery.

Siege Monster -- When Earth-Cult Elemental enters the battlefield, roll a d20.

1--9 | Each player sacrifices a permanent.

10--19 | Each opponent sacrifices a permanent.

20 | Each opponent sacrifices two permanents.

Trample

Land creatures you control have trample.

Landfall -- Whenever a land enters the battlefield under your control, you may have target land you control become a 3/3 Elemental creature with haste until end of turn. It's still a land.

When Eye of Vecna enters the battlefield, you draw a card and you lose 2 life.

At the beginning of your upkeep, you may pay {2}. If you do, you draw a card and you lose 2 life.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

{1}, Sacrifice Furnace Skullbomb: Draw a card.

{1}{R}, Sacrifice Furnace Skullbomb: Put two oil counters on target artifact or creature you control. Draw a card. Activate only as a sorcery.

This spell can't be countered.

Haste

Gaea's Revenge can't be the target of nongreen spells or abilities from nongreen sources.

Changeling (This card is every creature type.)

{1}{B}: Ghostly Changeling gets +1/+1 until end of turn.

Greater Stone Spirit can't be blocked by creatures with flying.

{2}{R}: Until end of turn, target creature gets +0/+2 and gains "{R}: This creature gets +1/+0 until end of turn."

When Greenwarden of Murasa enters the battlefield, you may return target card from your graveyard to your hand.

When Greenwarden of Murasa dies, you may exile it. If you do, return target card from your graveyard to your hand.

Trample

Landfall -- Whenever a land enters the battlefield under your control, Grove Rumbler gets +2/+2 until end of turn.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Vigilance, trample, haste

{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

{U}, Sacrifice Implement of Examination: Draw a card.

When Implement of Examination is put into a graveyard from the battlefield, draw a card.

{2}{R}: Creatures you control get +1/+0 until end of turn. If this is the third time this ability has resolved this turn, creatures you control gain first strike until end of turn.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Vryn enters the battlefield, draw three cards, then discard a card.

{1}, {T}, Sacrifice Overloaded Mage-Ring: Copy target spell you control. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {R}, {G}, or {W}.)

Jetmir's Garden enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Jungle Shrine enters the battlefield tapped.

{T}: Add {R}, {G}, or {W}.

{T}, Discard a card: Up to one target creature can't be blocked this turn.

Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card.

Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn.

As Kindred Discovery enters the battlefield, choose a creature type.

Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

When Meteorite enters the battlefield, it deals 2 damage to any target.

{T}: Add one mana of any color.

As Mirror of the Forebears enters the battlefield, choose a creature type.

{1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Mystic Monastery enters the battlefield tapped.

{T}: Add {U}, {R}, or {W}.

Counter target noncreature spell.

Nomad Outpost enters the battlefield tapped.

{T}: Add {R}, {W}, or {B}.

Opulent Palace enters the battlefield tapped.

{T}: Add {B}, {G}, or {U}.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Trample

Whenever you cast an instant or sorcery spell, put a +1/+1 counter on Pyre Hound.

Lifelink, haste

{T}: Add one mana of any color.

Tap an untapped legendary creature you control: Add one mana of any color.

Sandsteppe Citadel enters the battlefield tapped.

{T}: Add {W}, {B}, or {G}.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

Seaside Citadel enters the battlefield tapped.

{T}: Add {G}, {W}, or {U}.

Shrewd Hatchling enters the battlefield with four -1/-1 counters on it.

{U/R}: Target creature can't block Shrewd Hatchling this turn.

Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.

Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

{B}, Pay 1 life, Mill a card, Discard a card, Sacrifice Sinister Concoction: Destroy target creature.

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

{T}: Add {C}{C}.

{2}: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add {R}{R}{R}{R}{R}{R}{R}{R}.

Sphere of the Suns enters the battlefield tapped and with three charge counters on it.

{T}, Remove a charge counter from Sphere of the Suns: Add one mana of any color.

When Spitebellows leaves the battlefield, it deals 6 damage to target creature.

Evoke {1}{R}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Metalcraft -- This spell costs {1} less to cast if you control three or more artifacts.

Counter target spell.

{1}, Sacrifice Surgical Skullbomb: Draw a card.

{2}{U}, Sacrifice Surgical Skullbomb: Return target creature to its owner's hand. Draw a card. Activate only as a sorcery.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Flying

{3}{U}: Tap all creatures with toughness 2 or less.

{3}{U}: All other creatures lose flying until end of turn.

Counter target spell that targets a permanent you control.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

{U}: Water Servant gets +1/-1 until end of turn.

{U}: Water Servant gets -1/+1 until end of turn.

Changeling (This card is every creature type.)

Until end of turn, target creature has base power and toughness 4/4, gains all creature types, and gains flying.

Flying

You may cast Worldheart Phoenix from your graveyard by paying {W}{U}{B}{R}{G} rather than paying its mana cost. If you do, it enters the battlefield with two +1/+1 counters on it.

({T}: Add {U}, {B}, or {R}.)

Xander's Lounge enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Choose one --

• Smash It -- Destroy target artifact.

• Lift the Curse -- Destroy target enchantment.

• Steal Its Eyes -- Create a Treasure token and venture into the dungeon. (Enter the first room or advance to the next room.)

Choose one --

• Foil Their Scheme -- Counter target spell.

• Learn Their Secrets -- Draw two cards, then discard two cards.